Type Alias CMBufferGetBooleanCallback 

pub type CMBufferGetBooleanCallback = Option<unsafe extern "C" fn(buf: CMBufferRef, refcon: *mut c_void) -> Boolean>;

Apple SDK type alias CMBufferGetBooleanCallback.

Aliased Type

pub enum CMBufferGetBooleanCallback {
    None,
    Some(unsafe extern "C" fn(*const c_void, *mut c_void) -> u8),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const c_void, *mut c_void) -> u8)

Some value of type T.